Variable: which-func-mode

which-func-mode is a buffer-local variable defined in which-func.el.gz.

Documentation

Non-nil means display current function name in mode line.

This makes a difference only if variable which-function-mode(var)/which-function-mode(fun) is non-nil.

Probably introduced at or before Emacs version 29.1.

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/which-func.el.gz
;;;###autoload (put 'which-func-current 'risky-local-variable t)

(defvar-local which-func-mode nil
  "Non-nil means display current function name in mode line.
This makes a difference only if variable `which-function-mode' is
non-nil.")